US3344175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4, 4'-methylenebiscyclohexylamine-co2 reaction product
Assignee: EIDP Inc
•
Filing: 1963-05-22
•
Granted: 1967-09-26
•
Expires: 1983-05-22
Abstract
No abstract record available.
Inventors
- 👤 James H Canfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:23
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A COMPOSITION OBTAINED BY REACTING CARBON DIOXIDE WITH 4,4''-METHYLENEBISCYCLOHEXYLAMINE.
Claim 2
Dependent Claim
9 words
A COMPOSITION OBTAINED BY REACTING CARBON DIOXIDE WITH 4,4''-METHYLENEBISCYCLOHEXYLAMINE.
References Cited (Backward Citations)
US3029227A
Cited
US2979490A
Cited
US2983753A
Cited
US2933481A
Cited
US2999109A
Cited
US3088930A
Cited
US3092605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |